return $newval;
}
-sub cmd_sth
-{
- my($self, $sql, @params)=@_;
- my $sth=$self->{dbh}->prepare($sql);
- my $idx=1;
- for my $param (@params)
- {
- $param="" unless(defined($param));
- $sth->bind_param($idx++, $param);
- }
- $sth->execute();
- return $sth;
-}
-
-sub tags
-{
- my($self, $path)=@_;
- my @constraints=@{$path->{elements}};
- if(!@constraints) # /
- {
- my $sql="SELECT DISTINCT name FROM tags WHERE parents_id='';";
- my $tags=$self->cmd_rows($sql);
- return(map { $_->[0]; } @$tags);
- }
- my $hasvals=$path->tag_has_values();
- my $parent=$path->trailing_tag_parent();
- print "THASVALS: $hasvals\n";
- print "TPARENT: ", (defined($parent)? $parent : "NO"), "\n";
- my @ids=();
- my $sql=("SELECT tags.name FROM (\n" .
- $self->tags_subselect($path) .
- ") AS subselect\n" .
- "INNER JOIN files_x_tags ON subselect.files_id=files_x_tags.files_id\n" .
- "INNER JOIN tags ON files_x_tags.tags_id=tags.id\n");
- my (@allused)=$path->used_tags();
- my @used=grep { ref($_) ne "ARRAY"; } @allused;
- my @used_with_vals=grep { ref($_) eq "ARRAY"; } @allused;
- print "tags(): USED: ", join(", ", @used), "\n";
- print "tags(): USED_WITH_VALS: ", join(", ", map { "[".$_->[0]. ", ".$_->[1]."]";} @used_with_vals), "\n";
- my @orclauses=();
- my @andclauses=();
- my $id=$path->trailing_tag_id();
- if($hasvals)
- {
- print "HAS_VALUES\n";
- my @values=map { "'".$_->[1]."'"; } grep { $_->[0] == $id; } @used_with_vals;
- my $clause="(tags.parents_id='$id'";
- if(@values)
- {
- $clause .= " AND tags.id NOT IN (" . join(', ', @values) . ")";
- }
- $clause .= ")";
- push(@orclauses, $clause);
- }
- else
- {
- print "HASNT VALUES\n";;
- if(@used)
- {
- push(@orclauses, "(NOT (tags.parents_id='' AND tags.id IN (" . join(', ', @used) . ")))");
- }
- for my $pair (@used_with_vals)
- {
- push(@orclauses, "(NOT (tags.parents_id='" . $pair->[0] . "' AND tags.id='" . $pair->[1] . "'))");
- }
- }
-
- my $parentclause= "(tags.parents_id='";
- if($hasvals)
- {
- $parentclause .= $id;
- }
- elsif($parent)
- {
- $parentclause .= $parent;
- }
- $parentclause .= "')";
- push(@andclauses, $parentclause);
-
- if(@orclauses)
- {
- push(@andclauses, join(' OR ', @orclauses));
- }
- if(@andclauses)
- {
- $sql .= "WHERE " . join(' AND ', @andclauses) . "\n";
- }
- $sql .= "GROUP BY tags.name;";
- print "SQL: $sql\n";
- my $result=$self->cmd_rows($sql);
- my @tagnames=map { $_->[0]; } @$result;
- print "SUBNAMES: ", join(', ', @tagnames), "\n";
- return(@tagnames);
-}
-
-sub tag_values
-{
- my($self, $tagid)=@_;
- my $sql=("SELECT DISTINCT name FROM tags\n" .
- "WHERE parents_id=?");
- my $tags=$self->cmd_rows($sql, $tagid);
- my @tags=map { $_->[0]; } @$tags;
- @tags=map { length($_) ? $_ : "NOVALUE"; } @tags;
- return @tags;
-}
-
-sub artists
-{
- my($self, $path)=@_;
- my @constraints=@{$path->{elements}};
- if(!@constraints) # /ALL
- {
- my $sql="SELECT DISTINCT name FROM artists;";
- my $tags=$self->cmd_rows($sql);
- return(map { $_->[0]; } @$tags);
- }
- my @ids=();
- my $sql=("SELECT artists.name FROM (\n" .
- $self->tags_subselect($path) .
- ") AS subselect\n" .
- "INNER JOIN files ON subselect.files_id=files.id\n" .
- "INNER JOIN artists ON files.artists_id=artists.id\n" .
- "GROUP BY artists.name;");
- print "SQL: $sql\n";
- my $result=$self->cmd_rows($sql);
- my @tagnames=map { $_->[0]; } @$result;
- print "ARTISTS: ", join(', ', @tagnames), "\n";
- return(@tagnames);
-}
-
-sub albums
-{
- my($self, $path)=@_;
- my @constraints=@{$path->{elements}};
- my @ids=();
- # FIXME: rework PathElements
- if(ref($constraints[$#constraints]) eq "ID3FS::PathElement::Artist")
- {
- return $self->artist_albums($constraints[$#constraints]->{id}, $path);
- }
- my $sql=("SELECT albums.name\n" .
- "\tFROM (\n" .
- $self->tags_subselect($path) .
- "\t) AS subselect\n" .
- "INNER JOIN files ON subselect.files_id=files.id\n" .
- "INNER JOIN albums ON files.albums_id=albums.id\n" .
- "GROUP BY albums.name;");
- print "SQL(ALBUMS): \n$sql\n";
- my $result=$self->cmd_rows($sql);
- my @names=map { $_->[0]; } @$result;
- print "ALBUMS: ", join(', ', @names), "\n";
- return(@names);
-}
-
-sub artist_albums
-{
- my($self, $artist_id, $path)=@_;
- my @constraints=@{$path->{elements}};
- my $sql=("SELECT albums.name FROM (\n" .
- $self->tags_subselect($path) .
- "\t) AS subselect\n" .
- "INNER JOIN files ON subselect.files_id=files.id\n" .
- "INNER JOIN albums ON albums.id=files.albums_id\n\t" .
- "INNER JOIN artists ON artists.id=files.artists_id\n\t" .
- "WHERE artists.id=? and albums.name <> ''\n\t" .
- "GROUP BY albums.name\n");
- print "ARTIST_ALBUMS SQL: $sql\n";
- my $result=$self->cmd_rows($sql, $artist_id);
- my @albums=map { $_->[0]; } @$result;
- print "ALBUMS: ", join(', ', @albums), "\n";
- return(@albums);
-}
-
-sub artist_tracks
-{
- my($self, $artist_id, $path)=@_;
- my $sql=("SELECT files.name FROM (\n" .
- $self->tags_subselect($path) .
- "\t) AS subselect\n" .
- "INNER JOIN files ON subselect.files_id=files.id\n" .
- "INNER JOIN artists ON artists.id=files.artists_id\n\t" .
- "INNER JOIN albums ON albums.id=files.albums_id\n\t" .
- "WHERE artists.id=? AND albums.name=''\n\t" .
- "GROUP BY files.name\n");
- print "ARTIST_TRACKS SQL: $sql\n";
- my $result=$self->cmd_rows($sql, $artist_id);
- my @names=map { $_->[0]; } @$result;
- print "ARTISTTRACKS: ", join(', ', @names), "\n";
- return(@names);
-}
-
-sub album_tracks
-{
- my($self, $artist_id, $album_id)=@_;
- my $sql=("SELECT files.name FROM files\n\t" .
- "INNER JOIN albums ON albums.id=files.albums_id\n\t" .
- "INNER JOIN artists ON artists.id=files.artists_id\n\t" .
- "WHERE artists.id=? AND albums.id=?\n\t" .
- "GROUP BY files.name\n");
- print "ALBUM_TRACKS SQL($artist_id, $album_id): $sql\n";
- my $result=$self->cmd_rows($sql, $artist_id, $album_id);
- my @names=map { $_->[0]; } @$result;
- print "TRACKS: ", join(', ', @names), "\n";
- return(@names);
-}
-
-sub tracks
-{
- my($self, $path)=@_;
- my @constraints=@{$path->{elements}};
- # FIXME: rework PathElements
- if(ref($constraints[$#constraints]) eq "ID3FS::PathElement::Artist")
- {
- my $artist_id=0;
- my $artist=$constraints[$#constraints];
- if(defined($artist) && (ref($artist) eq "ID3FS::PathElement::Artist"))
- {
- # should always happen
- $artist_id=$artist->{id};
- }
- return $self->artist_tracks($artist_id, $path);
- }
- elsif(ref($constraints[$#constraints]) eq "ID3FS::PathElement::Album")
- {
- my $artist_id=0;
- my $artist=$constraints[($#constraints)-1];
- if(defined($artist) && (ref($artist) eq "ID3FS::PathElement::Artist"))
- {
- # should always happen
- $artist_id=$artist->{id};
- }
- return $self->album_tracks($artist_id, $constraints[$#constraints]->{id});
- }
-
- my $sql=("SELECT files.name\n" .
- "\tFROM (\n" .
- $self->tags_subselect($path) .
- "\t) AS subselect\n" .
- "INNER JOIN files ON files.id=subselect.files_id\n" .
- "GROUP BY files.name;");
- print "SQL: $sql\n";
- my $result=$self->cmd_rows($sql);
- my @names=map { $_->[0]; } @$result;
- print "TRACKS: ", join(', ', @names), "\n";
- return(@names);
-}
-
-sub filename
-{
- my($self, $mountpoint, $path)=@_;
- my @constraints=@{$path->{elements}};
- if(ref($constraints[$#constraints]) eq "ID3FS::PathElement::File")
- {
- my $id=$constraints[$#constraints]->{id};
- my $sql=("SELECT paths.name, files.name FROM files\n" .
- "INNER JOIN paths ON files.paths_id=paths.id\n" .
- "WHERE files.id=?\n" .
- "GROUP BY paths.name, files.name");
- print "FILENAME SQL: $sql\n";
- my ($path, $name)=$self->cmd_onerow($sql, $id);
- my $id3fs_path=join('/', map { $_->{name}; } @constraints);
- return($self->relativise($path, $name, $mountpoint, $id3fs_path));
- }
- die("DB::filename: unhandled case\n"); #FIXME
-}
-
-sub tags_subselect
-{
- my($self, $path)=@_;
- my $tree=$path->{tagtree};
- my $hasvals=$path->tag_has_values();
- my $parent=$path->trailing_tag_parent();
-
- my $tag=undef;
- if($hasvals)
- {
- $tag=$path->trailing_tag_id();
- print "Trailing id: $tag\n";
- }
- my ($sqlclause, $joinsneeded)=(undef, 1);
- ($sqlclause, $joinsneeded) = $tree->to_sql($tag) if($tree);
- print "SQL($joinsneeded): $sqlclause\n";
- my $sql="\tSELECT fxt1.files_id FROM tags t1";
- my @crosses=();
- my @inners=();
-# $joinsneeded++ if($tag);
- for(my $i=1; $i <= $joinsneeded; $i++)
- {
- if($i > 1)
- {
- push(@crosses, "CROSS JOIN tags t$i");
- }
- my $inner=("\tINNER JOIN files_x_tags fxt$i ON " .
- "t${i}.id=fxt${i}.tags_id");
- if($i>2)
- {
- $inner .= " AND fxt1.files_id=fxt${i}.files_id";
- }
- push(@inners, $inner);
- }
- $sql .= ("\n\t" . join(" ", @crosses)) if(@crosses);
- $sql .= ("\n" . join("\n", @inners)) if(@inners);
- $sql .= "\n\tWHERE $sqlclause" if($sqlclause);
-# if($tag)
-# {
-# $sql .= " AND t${joinsneeded}.parents_id='$tag'";
-# }
- $sql .= "\n\tGROUP BY fxt1.files_id\n";
- return $sql;
-}
-
-sub tags_subselect_and_not
-{
- my($self,@constraints)=@_;
- my ($tags, $tags_vals, $parent)=$self->constraints_tag_list(@constraints);
- my @tags=@$tags;
- my @tags_vals=@$tags_vals;;
- my $cnt=1;
- my @andclauses=();
- my $sql='';
- for my $tag (@tags)
- {
- if($cnt == 1)
- {
- $sql="\tSELECT fxt" . scalar(@tags) . ".files_id FROM files_x_tags fxt1\n";
- push(@andclauses, "\t\tfxt${cnt}.tags_id=$tag");
- }
- else
- {
- $sql .= ("\tLEFT JOIN files_x_tags fxt$cnt ON fxt" .
- ($cnt-1) . ".files_id=fxt${cnt}.files_id\n");
- push(@andclauses, "\t\tfxt${cnt}.tags_id IS NULL");
- }
- print "AND: @andclauses\n";
- $cnt++;
- }
- if(@andclauses)
- {
- $sql .= "\tWHERE\n\t\t";
- $sql .= join(" AND\n\t\t", @andclauses) . "\n";
- }
- $sql .= "\tGROUP BY fxt". scalar(@tags).".files_id\n";
- return $sql;
-}
-
-
-sub tags_subselect_and
-{
- my($self,@constraints)=@_;
- my ($tags, $tags_vals, $parent)=$self->constraints_tag_list(@constraints);
- my @tags=@$tags;
- my @tags_vals=@$tags_vals;;
- my $cnt=1;
- my @andclauses=();
- my $sql='';
- for my $tag (@tags)
- {
- if($cnt == 1)
- {
- $sql="\tSELECT fxt" . scalar(@tags) . ".files_id FROM files_x_tags fxt1\n";
- }
- else
- {
- $sql .= ("\tINNER JOIN files_x_tags fxt$cnt ON fxt" .
- ($cnt-1) . ".files_id=fxt${cnt}.files_id\n");
- }
- push(@andclauses, "\t\tfxt${cnt}.tags_id = $tag");
- print "AND: @andclauses\n";
- $cnt++;
- }
- if(@andclauses)
- {
- $sql .= "\tWHERE\n\t\t";
- $sql .= join(" AND\n\t\t", @andclauses) . "\n";
- }
- $sql .= "\tGROUP BY fxt". scalar(@tags).".files_id\n";
- return $sql;
-}
-
-sub tags_subselect_or
+sub id
{
- my($self,@constraints)=@_;
- my ($tags, $tags_vals, $parent)=$self->constraints_tag_list(@constraints);
- my @tags=@$tags;
- my @tags_vals=@$tags_vals;;
-
- my $sql=("\tSELECT files_x_tags.files_id FROM tags t1\n" .
- "\tINNER JOIN files_x_tags ON t1.id=files_x_tags.tags_id\n");
- my @orclauses=();
- my @andclauses=();
- # FIXME: and / or?
- if(@tags)
- {
- push(@andclauses, "( t1.parents_id=" . (defined($parent) ? $parent : "''") . " )");
- push(@andclauses, "( t1.id IN ( " . join(', ', @tags) ." ) )");
- }
- for my $pair (@tags_vals)
- {
- my($tag, $val)=@$pair;
- push(@orclauses, "( t1.parents_id=$tag AND t1.id=$val )");
- }
-# push(@andclauses, "( t1.parents_id=" . (defined($parent) ? $parent : "''") . " )");
- if(@orclauses)
- {
- push(@andclauses, join("\n\t\tOR ", @orclauses));
- }
- if(@andclauses)
- {
- $sql .= "\tWHERE\n\t\t";
- $sql .= join("\n\t\tAND ", @andclauses) . "\n";
- }
- $sql .= "\tGROUP BY files_x_tags.files_id\n";
- return $sql;
+ my($self, $type, $val)=@_;
+ my $sql="SELECT id FROM $type WHERE name=?";
+ my ($id)=$self->cmd_onerow($sql, $val);
+ return($id);
}
-sub constraints_tag_list
+sub tag_has_values
{
- my($self, @constraints)=@_;
- my $lasttag=undef;
- my @tags=();
- my @tags_vals=();
- for my $constraint (@constraints)
- {
-# print ref($constraint), ": ", $constraint->{name}, "\n";
- if(ref($constraint) eq "ID3FS::PathElement::Tag")
- {
- if(defined($lasttag))
- {
-# print "TAGVAL\n";
- push(@tags_vals, [$lasttag, $constraint->{id}]) if defined($constraint->{id});
- $lasttag=undef;
- }
- elsif($self->tag_has_values($constraint->{id}))
- {
-# print "HASVALUES\n";
- $lasttag=$constraint->{id} if defined($constraint->{id});
- }
- else
- {
-# print "NOVALUES\n";
- push(@tags, $constraint->{id}) if(defined($constraint->{id}));
- }
- }
- }
- unless($self->{postgres})
- {
- @tags=map{ "\"$_\""; } @tags;
- @tags_vals=map( { [ map({ "\"$_\""; } @$_ ) ] } @tags_vals);
- $lasttag="\"$lasttag\"" if defined($lasttag);
- }
- return(\@tags, \@tags_vals, $lasttag);
+ my($self, $id)=@_;
+ my $sql=("SELECT COUNT(*) FROM tags\n\t" .
+ "WHERE tags.parents_id=?\n");
+ my ($rows)=$self->cmd_onerow($sql, $id);
+ return $rows;
}
-
sub relativise
{
my($self, $path, $name, $mountpoint, $id3fs_path)=@_;
return $result;
}
-sub bare_tags
-{
- my($self)=@_;
- my $sql=("SELECT tags.name FROM tags\n" .
- "WHERE tags.parents_id=''\n" .
- "GROUP BY tags.name\n");
- my $result=$self->cmd_rows($sql);
- my @names=map { $_->[0]; } @$result;
- return (@names);
-}
-
-sub tags_with_values
-{
- # FIXME: only shows one level of tag depth
- my($self)=@_;
- my $sql=("SELECT p.name, t.name FROM tags t\n" .
- "INNER JOIN tags p ON t.parents_id=p.id\n" .
- "GROUP BY p.name, t.name\n");
- print "SQL: $sql\n";
- my $result=$self->cmd_rows($sql);
- my $tags={};
- for my $pair (@$result)
- {
- push(@{$tags->{$pair->[0]}}, $pair->[1]);
- }
- return $tags;
-}
-
-sub id
-{
- my($self, $type, $val)=@_;
- my $sql="SELECT id FROM $type WHERE name=?";
- my ($id)=$self->cmd_onerow($sql, $val);
- return($id);
-}
-
sub add
{
my($self,$path)=@_;
$self->cmd($sql, map { $fields->{$_}; } sort keys(%$fields));
}
-sub lookup_id
-{
- my($self, $table, $name)=@_;
- my($id)=$self->cmd_onerow("SELECT id FROM $table where name=?", $name);
- return $id;
-}
-
-sub tag_has_values
-{
- my($self, $id)=@_;
- my $sql=("SELECT COUNT(*) FROM tags\n\t" .
- "WHERE tags.parents_id=?\n");
- my ($rows)=$self->cmd_onerow($sql, $id);
- return $rows;
-}
-
sub files_in
{
my ($self, $dir)=@_;
return(defined($thing) && length($thing) && $thing =~ /\S+/);
}
+sub cmd_sth
+{
+ my($self, $sql, @params)=@_;
+ my $sth=$self->{dbh}->prepare($sql);
+ my $idx=1;
+ for my $param (@params)
+ {
+ $param="" unless(defined($param));
+ $sth->bind_param($idx++, $param);
+ }
+ $sth->execute();
+ return $sth;
+}
+
sub cmd
{
my ($self, @args)=@_;
return $sth->fetchall_arrayref();
}
+sub cmd_firstcol
+{
+ my ($self, @args)=@_;
+ return(map { $_->[0] } @{$self->cmd_rows(@args)});
+}
+
sub cmd_id
{
my ($self, @args)=@_;
projects / id3fs.git / blobdiff